Typewriting machine



.hay 17, 1923- `F. H. ARMSTRONG TYPEWRITING MACHINE Filed Feb. 21. 1921 4 Sheets-Shut 1 i Muzzzzz:

. l mun u for 44' anA/mmmy ha .n

dt/14; als Horwn/v July 17, 1923- i 4 1,461,720

F. H. ARMSTRONG TYPEWHITING MACHINE July 11, 1923- 1.461.120 F. H. ARMSTRONG TYPEWRITING MACHINE Filed Feb. 21, 1921 4 Sheets-Shea?l 5 July 17, 1923- 1,461,720 i F. H. ARMSTRONG TYPEWRITING MACHINE Filed Feb. 21. 1921 4 Sheets-Sheet 4 am mi .my 11, im

A Uilm'2111111q s1-i1* AlfEfs OFFICE.

ummm@ um mienfinl :1 -.71H1 mm1 muuu.

T4 21mm M .www it known Fun; E. mi annum@i a ,nf tlm `flnillll,Sluiting?, residm of Auburn 11:1A tlm bounty uf la. and Bftaa uf New York. hun invamum'till ww' und Im mvemm Fig.. 1 is n @smul lnntmlmnl sentiwnm 1l "vinw slmwn the! om a manhmiram in lahmss pnnflaff Illmf llmhin n xavi-:ry v o Y the lllft madhnnmn being il loll* a 1i) s peuve vim ahmving the In shift nhiffaad to inne- @D time pacman Fig. llfh lipy; Fig. 1131 vm similari@ Eig, E showing tlm ts rin Fig. Sht. pasti-ign;

g. 1Q n dnl view shown the menne 'fur snppm'kin the forward enf the atop 4,6 @niet and e laver which shifts lthraeg- 4Fi 1B atgmpzzt-ivn view ofltlse ment brame upm) wlmeh #In @nur me und Fig, ahil man! nimrmpd; w Elgin. 1i anni 1liA parapecblve vluws of parte of the guiding mamas im' tlm segmlm carrier; r Y i' Y Fig. 1G n swt-inn on the lin-e EVIMI'LVT of Fig. 13;

in n planen infin-nd nl n tgrlmr segmmt.

' Fg. 1i' a `sgucztinn ontkm line XVII-XVII of Fig. 1.3; und.

Figa. 1S limi` 19 dut-nil views of a moiil'ed segment carrier mi guiding muxas therefor.

1' have shown lille invjniiun embodied 'm a small pgkubla type'rrnting machine f tlm from. strike tige having n; pruned. @will frame 1 w w` mlm cnn-raga npfporl m @ma m l mug n 2 t0 11111 Ilhg pln'lma arl @Minga (n ha fell (l funeral-'Illy out of Gmpati mth tbn Wp@ bars in nmmpliut pnsitinn over the lxeybqmtl. It will be olviof'us. however, 'filmt the mvemimk is not l'hnitl in its ng?- pllius); E; macinzofihds' und 1t m undrsft y ht 111! inmlm may he emlmdilqd in n msclmxim, for @Mib ,Along two lmnmntal lima to ivie the sume imm three iesilient pnrunsm' tongues. The oen-m11 ses E :ne dusted 'n amt hair free ends 1|. .mig lw hl'lulkll um and ille mani hebrew sand slm: is premi! 'rearwardmal or ram T in each tongue 6 inning toward the front. of the Tongues E am prefmnbly offset slight y n mnt of tha pinne; of t'm had; Vmnt am fri the plain 0 avmd Pemble inte eren@ ci the rearward- IX pressed channels T with parts 0i the enr- ,l'mr guiding means hmnafter dmfibed- The two ALapplannnrl lmnp.F 'tongues 8 at mnh mi of the cm3- iur arc much slotted along wo liorimnml lines und thm metall betwmn said slots i: split. :Hung n` vertical line nml pressed inwardly to form a vea'tirmlly oxtehdhg bull cfmus'mzl or 111cm il' in :muli fmsglzc 3, said chnnwels it facing rnuwnrdiy.

pair of sheet. metaal bar-kms 1D un than thedasc' --terlnckex mtb two fornurrlly Awazrly `in front of "ertjnlly e mg anc orwrdly faoing ball chann! 0r roce 18 empor-ating wih bho cmnnei 9 In the .djtwniV tongue. E 0n the carrier. Channels 13 n frmed in the annue manner as channels 9. The. fluo end of each tongue 12 is pmided with a reap @ximg of 'dm tongue which might result irl the mr- Wsrdly llvrld inl-ts of the tongue against tho bock wal! o tho machina.

An adiuatabl plnwlik sheet mntal melober 14 in: held tu 13h blanket 1.0, auch man! im* 14 having two Slotted' ears l5 loosely 11- slnttad sans 16 on the hmclwt to Sonn n Bopanbly interl'kd loe cnneotou as more clearly lfmsnV 'm Figs. l Lf EVT. ncb plata-likt membor l ia proded with nV resilient portion or no 17 extending inadj neemt tongu 6 on the agment cal-Tier ond provided wfth n ,vertically oxtoncllng and lmrwnrdly inning bn chnnml] 01' men 18 @operating wil the cbannl in tongue 6. Channels 1S am formex in the sumo mnnnr no channels 'r'. The 95X nil-a: of cooperating Qhonnnls above desafio form six lndependen wenn!! 5, two of which-ure locooed of. tlm iront of e carrier 4 und` fmu of which m located at the rear of tho cllri'm?. An ntifitiollbdll l5 is oon-fined in. auch runaway, It. will be, obvicms thnt the ball ma be formed ln the .s in various other wlys d, or that abound-funnng moons may be attached to the tong'ufa The members 14 are. adjustable fum anni a, of the machins by towns of adjusting bolts 20 having lock nuts 2l tbrendr there- Bolts Q0 extend forwilrdly through the rear wall of frame 1 1 Dd br 1U un me threadod through members 14. foar the bulk 1B m plafl in the rnceways the adfu/stng bolts um notabod to pull the mw bm 14 rca'rvfnrdl until all of thm chanued tongues are pac undnr lonsull, than. calm ing the series of spring tongues tn bur sp1-mg ressm'. Lock nuto Q am tighten@ It will be obvious that the fomging conm-notion provides means whenewear in any or all the runways 'rrll be automatically taken up. that, the rafcwnj. channel carrying member-E T.vill Elm: or yield to compensate or inequalities in manufactum of the sheet mum! poma and En permit the balls to nues obstructions caused by `(gm-Ting ig. so onnsu'uoted as to ubau,

unending edge of msnm torni mam collecting in the rauewa that o moons individual b race is. udopendonltly ymldgble, sind that the antifriclzem guiding moans for the t.

mr lent shocks to which tbn nmohine may bs oubieotod,

A sheet metal bracket 22 is oec-'umd to th mr Wall of the mn'm from l b3' screws S3 und is prpvdnd t its up :c :md lowar ms nit). :mnnl formt y axiom L' 31ml! pmriions mi 25. n adjuoinxo atop amm 26 5E` threaded downwardly shelf 2i and is M111 ted to be n- "ge bytheupecdgeooe tato Elm he upm mosomant of I sagmonn Enr-fior i and thus dutnrmilw the normal or lower caos position of tho mgmt An djnstnbl @op ocmw 2?' i8 threaded upwardly thro Y shnlih anni iadaEm-d to bemany an lmogtnl rwa axen fil ugr or ahmwnt. 8 formed og tlm lumi l `the '4n 011mm.' D dtmiil ll lowannoat. or Y shift position oi. the segmont i5.

A. mei 29 extends mnsvcrsalv of the 1min froment; n: point forward the mont carrier mnd is supord 8L .its ends in brav-kers B0 ueour to @ha Sido Walls` of lilla mme by acmws 31. A.` thleunlm Y-ohmpod lover is fulornmgd on r-url 29, the furwardy and lxtmll axtandin arms 82 thereof bein provi ed with ownwuly -trumed piv ears 33 abutting against buckets 30 to lm'r.

@extends through Y m pivot, com SE. The other: umn 34 of the Y- ho loyer attends rearwardly nmlly of machina md tlm mr and tlmreof or. EIDdB ILA Skit in. Illy .Y anu 35 funnbd Miha imwand ed L of f 1 23., t ma fonnin g saponi-lle von. or noob ing connom'on Y wenn cho -shapod wmr and #hg-I dear-rt, Bonanza 3T nro pmferu y provi ut c n nur und 10W-r e of alot 35, thm blmnlnngnging the upper and 10m21- fnoa-.s of love-r arm 54. .Arms 3E of [he Y-ahapod lover am provided with morwndly extenda Inga lisndaccnb their forward ends, and t lunar e of a mil spring 3Q ia connected with one. Gf Suid lugs. The spring 354 normnlly hlfs the segment carrier in :ls uppermost aosition, teman adjusting ocmw 4G is t readed inw the alger and oft-Ju: spring, said screw pm t ough a bracket 41 cmed to the n 1mm udg wai! of the machine by screws 42. It, will be obvious that n soenna lifting spring 3B my be rammed/od to the olex lug SB if desir-(fd,

Two Fig. shift key Invero $3 am pwvdad n 0 osba Sides of tlm frame. and two Cap. anlrev loven H are pmvdd 3L vppoif sides of the fromo adjacent the Lwo Fig. ghft llevara. Il ful Shift key IGILJS 5h:

Ermonty sidewae movement af tlg 4 EEB Mmmm E at thail- :m ms on a md 5 minatommmrwiththn dumm Emi tgl; 46 an im nllgulnj dij'mgjng man otlm is provld um# r1: kvm guida umh Si, The emnb 'f )mth an mbggml upatn ing ulregm mv- ,hns it H nng'e ur Secured En ngus :In inalilld cam surhme' nml g e'r- 5f 48 mi the 51de @alla di #ha :Emma 1 by mmm mi dweil surface 64. Ess-csh shift 1mm 'i0 fm1 ,du s ha W kay lefrs (not shmmh iL high {will} uftls cum sumen '53h11 t mdw 'qmn guide @umh 50 ila` .pt-wldd With Iueil, `mm1 of tlg stap: im'ur. Wlmnuithar fi guide .siam 51 shift le@ prim;- FgL shift ke 1s 1 i w.- [100km qnjhg mg hun; und ismlm ru'sldec at iis up- ,kry 1MM laide Y wnji :mime withumwgzd exiaend mg Mami-:Mauth and shift tlm wider tu 'the J2. Rgtqmfaprng; 53 m maneggi@ right far smug; to lace stu 6? in magister Il. shift [may imm and image UB. Cumul: is with edmbefgria fout .engages said 9 gmided with and fu the wop. xc hoek ing the dvfl'l' parting G4 mdwmlla gf ixumlbymityhleamewg 5E: of dan mm lug during the nal; M taf tlm .Euch l shift Ie'mr 5 is. pmvided mth downward movement of ilu sh" `innig." and un upm-u1- and urwnlyexteging mpstop 5T passing through apertura 1B um food: 2D oral-m fengug avm-'tlm nymi lug 28 move; dawn-ward :ummv` 1M. nt with u Ehm: filas f-elmpgd Wand am C11 the Fig. siitsmp E?. S i217 is cut mm3,- inver 44 is providef mth an upward gr 66 to pmvide aim-uma for um lower und irwwl egim-ding tapet. m' arm 55 of Mib-1blu stop acrw 5i', and (umh am "n om the adjawent ng 3B on amid fsm-mw pvafsmbly me n lkml: mnt thread imm; Ta pads E4 um longer than Hamon, ne shown. 1w M his 55 su tirati sh fan-ers '111.111' l'iw u ape? ends uf hmlia 6E am pmer abil-Gialle augment ma am lowennnst. pum-mn am? gui mijn. alma E?? formed in Im'wa'dly a mmm?. ilmmi tf:` th@ sqme elw-nt ma projecting 'lugs 618 un the sta carrier; thus t nt mpaxftmel to the Cup. ahlft leven: in mmm-i pmper aiignnmntcr@ ha houd@ ml 59 Bhfhug the ent to iis intermediate poafively the cams am @ha :tup cmx'ia'` Tine d5 snn. It willi be niwu; that the d eprup ehm; -S on thu atop carrier apmided wih sinn n! tlm hay ma either-smit lever will ruck g Iug of hnuk rnn '69 ma undenilhe Y'almpad llames cldrnwnrd, und liuzalrlhljl tha forward' vgis o slml 5 io pre1-'em all the cnrrzzr downward agknn mnmment nf the sima; gvgrcally relatively to www of spring se. um shelf :mha-Min; um mmm Hmm' "l" Fox' arresting thu segmlnt md its shig IU um lrefveluhhf pmvidd with hwk luga ahh @pmt-im 'infarmudmtqof Cnpshltt YD alf: t air u'perancl Lawman'da spaced mihnn, I avide g Cuda. shaft: sin -smw fsiighltlg]r imm m aide ucg und imag 7 Uhrendn walgly n 510e 58 of tongues B on tlm 1y carrier und n xmmgd ntf mman if tha mmcnds of serving ta pm'mntA the. :wn dweug arms ofn. lf-shapes?, ward mou-amm of the lr-:ier @ma the muemsrir 59'. Y e swpfenrmr 59h ah y shine ia tilted or snhjedcl to shnqls.

supported at its furwnrd and on md U, the In Figa. IS mj 1911 sljghlvmodaled funn inaugural ends of the dvvrgmg arm; of the 9i aggmunt cam-mand amir-mim bul-mg ve nteral .ma for. mi

ummbuing provide-d with unslmdnglugs ls'shown. The segment 4u-rim* T1 DD 0.0 having npertum hhnmeiu rough which prima; a thin .g mfg? or resilient sheet :the rod ezcmmla A. teman :ring (il em metal plat? prov] d aits @per and iufm to ting Init hand arm this :imp cnrcgmsna with. marwmrdly aumg hall chimri'er and to the Wigwam hmuket 310 normali mais 72 @operating with the. channels 18 in Vmi pulls tha stnp carrier tnwud the left, hol angms 12 on buckets I0. The carrier T1 11i l lug 60 on tlm leftv hand arm. nglimb the 1s provided at mnh and wh a emmnl furlnoentpivot. Eug S3 of the Y-sshnped lever. wm'dlgf fusing bail chnnnl i3 `.fmlpellll f In this 'tnn of the stop emmer G9 the with chmme 1S in the t0n ue 1'? an Hu: mit Cmp. shi atop is directly mier u solid por jacent mljustabla member 4. Currie: 71 is ii :icm of foot 25 on the segment Currier, and Provided with marwnrdly exteq; Inga; im we thm-e is nu ,wnnectipn bepwecn either of rerum-muil; apuwd from nlm .inum- @1 gua bf the Cup. shift lum 44 and the awp can-ier tongues 1E on the .h1-unlink@ if] und .sewing tho segmnb-cwrrinrri will ha arrested by in l-r'rent nnduesdewis: xswvumam: @i the #m54 when #maar l'my Il wur 44h actuated. carrier, :he ings F0 'being omitir-.fl imm 0f le fout. Q5 has an aperture EQ therein brarzlmts 10 in ths consumi-ion. In this mi normally out of ster with Shop www 57, mn-diid form the cm1 pnrnimu uf the carnd eah Fig. shwer 1S hns n dimt cam rief am :sda ted to spring or film hcxily. mnnmtion with stop carrier 15B im* gliding What, I aim is: tiha; carrier toward the right wheueither l: In a tjf'pcwrtng machine, the combi- 35 of tEe yemrs is gchmed tumuve ,stop nation of u support. having u plumlty uf u resilient portions adjacent both ends` thereof, e type-bar segment von the'support, a plurality of guides at each end of the sulpport, each o said Vresilient ortions'o'f t e support cooperating with a iei'ent guide, und key-operated means for shifting the support. A

2. In a typewriting machine, the combination of a. pltelik'eslieet mqtel'support shiftable vertically edgewisefto chaugefcase and provided with a pluralit-yfofA resilient portions, key-operatedmeans for shifting said support, and guiding means for the support, certain @incid resilient portions cooperating with the guiding means to resist movement otlie support forwardly 'end the others to resist movement of :thejsupp'ort rearwardly. Y A

In a. Vtypevvriting machine, the `combination of a support shitable 'different dis,- tonces in one direction ironie normal lposi,- tion to change cese, a slidably Vinonntved Stop cooperating Awith said'support tor'arfrest the support at a point intermediate itsno1mul position and inniiimuinpshifted position, pair of shift keys operatively `connected to shift the support?, A@spring holdingv said stop in support-sweating position, l end cem ineens o ernble by only orleof said keys for sliding t e stop transyers'elyof the ,machine out of support-arresting position.

4. In a typewriting muchine, the comblnution of u su port shiftnhle to change case, f1 pair of shit key leversfconnected with the support for shitingthel'su port verticully in the same direction to l ilerent'positions, a shftable stop for' arresting the su ipbrt, u, carrier for the sbiftablestop -glidebly supported the frame to ,move transversely of the machine, e stetionar. stop for urrestingthe support hte. point arther from its normal osition than that determined by the shi l able stop, and' a spring connected with the ycerrier for normally holding the shiftable lstop' in support-arresting position, said carrier bem provided with a cam surface in the ati of movemeut of one of vthe shi-lrey evers for sliding the carrier transverselyl of the machine to move the shiftable stop out of support- ;nresting position.

In e. typewritingmachme, the comblnstion of a support shiftable to change cese, :1 pziir of independently operable shift key levers, means operable by the levers for shifting the support vertically in the same direction to different positions, a. shitable stop for arresting the support, e stationary stop for arresting the suppo et a. point further from its normal )osition than that determined by the shifta 4le stop, a. carrier for the shifteble stop slidebly mounted to move transversely of the machine, means forming c direct com connection between the carrier und one 0f the shift key levers for gliding the carrier transversely to move the Shiftable stop out of support-arrest' f1 position when the key-carrying end of sai lever is depressed, und u restoring spring connected with the carrier.

6. Double cese shift mechanism for type- Writing machines comprising a support shiftable to change case and carrying an epertured abutment, al slidably supported yintermediate case stop adapted toA be enuged bysoid abutment, opair of shift Toys ope'rutivcly connected to shift the support to, two different positions, sind means operihle by one only of said lreys for sliding hc'intermcdiate case stop into register with the a )erture in seid abutment.

` 7. Double cese shift mechanism for type writing machines' comprisine u support ehiteble to change case an( carrying an upertured' abutment, c slidrbly supported intermediate ense stop adopted to be engaged 'by seid'Y abutment, upuir of shift lreys operatively' connected to shilt the support Vto two dil'erent ositions, ineens operable by one only of tie shift keys for sliding the stop into register with the aperture in seid nbutment, und u spring normally tending to shift the stop out of register with said oper ture.

8, ln u tt'pewiitingmachine, the combination of et type bor segment, an abutment movable with Said seginent having un operture thereon, a pair of relatively shiftuble stepped stops adapted to be engaged by Suid ubutmentto arrest the segment, u pair of shift keys operatively connected to shift the segment, and ineens operable by only one .ot the 'shift keys for shifting one of said Stops into register with the aperture in said abutment to permit movement of the Seglnent by said key until the abutment engages the other stop.

9. In a typevvi'itinp machine, the combina` tion of a slldable Cap shift stop, e staton'ai Fig shift stop, u typebur segment shifts le to change case, an abutment shiftnblewith the segment adapted to en gage said stops and lieving'an uperurethercin, n )air of shift keys operatively connected to slhift the se ent, und means operable by one only of sait vkeys for sliding the Cap shift" stop into register with the aperture in the abutment.

l0. In u typewriting machine, the combinution of a Cap shift stop, a carrier for said stop slidably supported to move transversely of the machine, u stationary Figl shift1 stop, e. typebar semnent shiftable to change case, e, ptir of shiiltflrey levers operatively connected to shift thc segment, a spring normally urging the stop-carrier in one direction, a com connection between one only of the shiftlrcy levers and the stop-cm iier for shifting the stop-curricr in opposition to Said spring, und un abutment movable lui Y bination of e said stop slidably supported to move transversely of the machine, u. stationery Figa shift stop, a type-bar s ent shiftable to change cese, a p mrof shi key levers opera-- tively connected toshift the segment, e

yspring normally urging the stop-cerrier in one directiomnn abutment movable with the segment adapted `to engage seid stops end provided with an a erture, anda connection between one of sai shift-key levers und the stop-carrier for sliding the carrier transversely of the machine a einst the action of said spring to shift the ap. shiftllstop into register with the aperture in said abut-ment.

12. In `e typewriting machine, the combination of a. sup ort shitii-ble to change case, u pair of (iip. shift key-levers located at o posite sides ofthe machine,y a pei:` of Fig s ft key-levers locatedat opposite sides of the machine, means operable independently'bv said keyJevers for shifting the su port, a. slidably supported stop carrier, a (iip. shift stop mounted on seid carrier, and independent cam connections between the Fi shift key levers sind said stop carrier or shifting,- the Cap shift stop to an ineiective position.

v18. In a typewriting machine, the combination of a support shiftable to change cese, a pair of Cap. shift key levers located et opposite sides of the machine, a.' pairV of Fig shift key levers located at opposite sides of the machine, means oper able independently by seidV key levers for shifting the support, un 4nlzultinent on the sn port having an aperture therein, a. Cap shift stop ada ted to be engaged b y sind abutment, a slidably supported carriertor said stop, and connections betweenV the Fig shift key levers and said stop rcarrier for shifting the stop thereon into register )mth the aperture in said abutment when eitherl Fi shift key lever is actuated.

1i In a typewriting machine, the combination of a su ort shiftable to change case, n pair of ap. shift key levers lo-V cated at opposite sidesof the machine, a? pair of Figl shift key levers located et opposite sides o'the machine, means operable independently. by said -key levers for shiftthe support, an abutment on the support hav-ing an aperture therein, a .Cflshift stop ada ted to be engaged by said abutment, a, sli ably supported carrier vfor said sto a spring connected with the .stop carrier $01- sliding the carrier in one direc tion, and independent cam connections between the Fig shift key levers und the stop carrier for'shifting the stop into register with the aperture in said abutment dur- Cap shift stopl :sin regi:

Gap.' shift stop, fa carrier for ing the initial portion of the downward movement of the keycerrying end of'e'ithe'r-A 15. vIn a typewriting machine, the combinetion of efresilient metallic support shiftable to vary the relation between impression meansand a. platen, locatedv at opposite faces-of said support, and entifrietion rolling 'elements located at opposite faces of the support between .th'e support and said members` 16. vIn a ty ewriting machine, the combination of e eine, e resilient sheet metal plate, a type-ber segment held to the` plate, a. plurality' of antifriction rollinfbr elements located at opposite faces of said plate, cooperating ineans on the plate and frame forming receways for said rollin elements,

and key-operated means for shifting the" plete edgewise to changecase.

17. In 'a typrewriting machine, the i `mbination of e ame, e resilient sheet metnl plate, a type-ber segment held to the plete, keyoperated means ecgewise to change cese, resilient members h d to the frame at opposite faces of the plate, means on theplate and said members formlng receweys at opposite faces of the plate, end rolling elements in 4tlieraioevve. s. 18. In a typewriting machine, the com i nation of a. rame, a. resilient sheet metal lute, a type-bar segment held to the plate,

ey-operaterl Ineens for shifting the plate,

edgewise to change cese, resilient members held to the frame et opposite faces of the pletez means on the plate and said members ormlng rcceweys at opposite faces of the plate means for adjustlng the members at one ace ofthe plete toward and from'the plate, and rolling elements in the recewa 19. In a ty ewriting machine, the com ination of n. eme,a resilient sheet metal Iplate, Va. type-har segment held to the plate, ey-opejratecl means for shifting the plate edoewise to change case, resilient members held to the frameat opposite ends of the plate, means on the plate and said members 'forming e pair of vertically spaced raeeways et each end of one face of the plate and a raceway at each end of theother face of the plate located intermediate the vertically spaced raceweys, and rolling elements in seidrnceivays.

20. In` e.t-,yrpewritinpg` machine, the combination of a support shifteble edgewise to change case, resilient members located at opposite faces of the su port, means on the support and said mem rs forming raceways et opposite faces of the support, and rolling elements in the raceways.

21. In a typewriting machine, the combination of a support shiftable edgewise to change opposite faces of the support, means on the supportand seidfmembe'rsforming raceresilient membersV forshifting the "plate case,Y resilient members located et Y raceways, rolling elements in thefraceways, and means `for causing the raceway forming means to engage the ,rolling elements under s ring ressnre, the means formingeach indlvidna raceway embed ing two opposed yieldably supported memliersr- 34:. In a typewriting machine, the combination of a frame, a support shftable in the frame to vary the relation between printing means and a platen, a rod extending transversely of the frame, a 'three-arm lever having two slotted arms Vpivot-,ally snpported on 'the rod adjacent opposite sides of the frame and an arm comjlected with the support, a pair of Fig shift key levers fnlcrumed in the franneadjacent opposite sideslof the-frame each having an yupstandportion adjacent said, rod` extcndin through the slot/in the adjacent'arm of sai three-arm lever, a pair of Gapnshift key levers fulcrumed in the 'frame adjacent the Fig shift key levers, means connecting each 4shift key lever with the three-arm lever "V for rocking the same about the rod to shift the supplort, a Cap shift stop 4ada )ted to arrest t e sup ort, a rtransversely s idahle carrier for sai stop having two cam porv tions located in the path of:v movement of the upstanding` ortions of the Fig shift key levers for s 'fting the stop to an ineffective position, and a return spring for the sto carrier. j

35. n a typewriting machinajthe combination of a main frax'ne, a vertically'shift- 9 able type-bar segment support, a bracket held to the frame having vertically spaced forwardly extending shelf-like portions,

a stop mounted on each forwardly extending portion of the bracket for determining the uppermost andv `lowermost positions of the support, a rod extending transvcrselyvof the frame, a stop-carrier slidably sup orted at its forward end on said rod an at tsrear end onthe 4lower shelf-like portion of the bracket?l a stop mounted on the rear end of sa' carrier ada ted to arrest the sup crt in an intermediate osition, a pair ci) shift key levers -connecte with the support to shift the support, means forming a cam connection be tween one of said key levers and the stop carrier for sliding the carrier laterally. to

lnation of a' spring connected -with the sto carrier `normally holding the: stop on t e carrier i11- support-arresting position.

'render the stop thereon ineectVe, a

y36.111 a mien-g machine, ce combime, an upstandjng type-bar segment carrier extenda transversely of the frame provided wi two vertically spaced rearwardly facingY ball channels adjacent each end thereof `and two forwardly facing ball channels adjacent opposite ends j thereof intermediate the rearwardly fencingy 'channels a pair of brackets mounted-in the frame adjacent the ends ofthe carrier and each having two forwardly facingball chanj 4 nels therein cooperating with the adjacent rearwardly facing ball channels on the car-` rier to form ra/ceways', air of plate-'like members loosely interlocke vwith said brackcts and each airing a lrearwardly facing ball channel cooperatin with one of the forwardly facing channes onthe carrier to form a racewayfballs in the. raceways, means for adjusting the plate-like members fore and aft of. the machine, and means for shiftin the carrier. A

37. a typewritin'g'machine, the combination of a rame, an .upstanling type-bar segment carrier extendi transversely of the frame provided two verticall a spaced rearwardlyr facing ball channels a jacent each end tlereof and two forwardly facing ball channels adjacent opposite ends thereof intermediate the rearwardly facing channels, a pair of brackets mounted in the frame adjacent theends ofthe carrier and each having two forwardly facin ball channels therein cooperating with ty c adjacent rearwardly facing ball channels on the carrier to form raeeways, a air of plate-like members looselyr `interlocke with said braclc ets and each aving a. rearwardly facing ball channel cooperatin i with one ofthe forwardly facing channe s on the carrier `to form a raceway, balls in the raceways, said membersbeing resilient, and means for .adjusting the plate-like members fore and aft of the machine and holding the same under tension in adjusted position.

In testimony whereof I hereunto aix my signature.

FRANK H.4 ARMSTRONG. 

